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Finding the Fourth Proportional to 166,522, 229,795.68 and 91,068.88

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Solution

The fourth proportional to 166,522, 229,795.68 and 91,068.88 is: 125,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,522 : 229,795.68 = 91,068.88 : x
  2. Step 2: Convert to fraction form
    166,522/229,795.68 = 91,068.88/x
  3. Step 3: Cross multiply
    166,522x = 229,795.68 × 91,068.88
  4. Step 4: Simplify right side
    166,522x = 20,927,235,206.44
  5. Step 5: Solve for x
    x = 20,927,235,206.44/166,522
  6. Step 6: Final answer
    x = 125,672.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.